MSI · Motherboard

MSI B550 GAMING WIFI

B550 · AM4 · ATX · DDR4

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Chipset B550
Form factor ATX
Memory slots 4
Max memory 128 GB
Socket AM4
Memory type DDR4

MSI B550 GAMING WIFI is an ATX and B550 chipset motherboard for AM4 processors and DDR4 memory. It came out in 2025.

Released: 2025-12-10
Socket: AM4

Specifications

Key specs

Chipset: B550
Form factor: ATX
Memory slots: 4
Max memory: 128 GB
Socket: AM4
Memory type: DDR4
Released: 2025-12-10
Part number: B550 GAMING WIFI
EAN / UPC: 4711377376143

Processor

Processor manufacturer: AMD
Processor socket: Socket AM4
Compatible processor series: AMD Ryzen 3000 Series, AMD Ryzen 5000 Series, AMD Ryzen 7000 Series
Maximum number of SMP processors: 1

Memory

Supported memory types: DDR4-SDRAM
Number of memory slots: 4
Memory slots type: DIMM
Memory channels: Dual-channel
ECC сompatibility: ECC & Non-ECC
Supported memory clock speeds: 2667,2800,2933,3000,3066,3200,3466,3600,3733,3866,4000,4133,4266,4400,4533,4600,4733,4800,4866 MHz
Supported memory clock speed (max): 2667 MHz
Maximum internal memory: 128 GB
Unbuffered memory: Yes

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Storage controllers

Supported storage drive types: HDD & SSD
Supported storage drive interfaces: SATA III, M.2
Number of HDDs supported: 6
Number of storage drives supported: 8

Graphics

Parallel processing technology support: Not supported
Maximum resolution: 4096 x 2160 pixels

Internal I/O

USB 2.0 connectors: 4
USB 3.2 Gen 1 (3.1 Gen 1) connectors: 3
Number of SATA III connectors: 6
Total number of SATA connectors: 6
Front panel audio connector: Yes
Front panel connector: Yes
ATX Power connector (24-pin): Yes
CPU fan connector: Yes
Number of chassis fan connectors: 6
Chassis intrusion connector: Yes
TPM connector: Yes
12V power connector: Yes
RGB LED pin header: Yes

Rear panel I/O ports

USB 2.0 ports quantity: 4
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity: 2
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity: 1
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity: 1
Ethernet LAN (RJ-45) ports: 1
PS/2 ports quantity: 1
HDMI ports quantity: 1
DisplayPorts quantity: 1
S/PDIF out port: Yes
Digital audio optical out: 1
WiFi-AP antenna jack: 2
USB connector type: USB Type-A, USB Type-C

Features

Motherboard chipset: AMD B550
Audio chip: Realtek ALC897
Audio output channels: 7.1 channels
PC health monitoring: CPU, Fan, Temperature
Component for: PC
Motherboard form factor: ATX
Motherboard chipset family: AMD

Expansion slots

PCI Express x1 (Gen 3.x) slots: 2
PCI Express x16 (Gen 3.x) slots: 1
PCI Express x16 (Gen 4.x) slots: 1
Number of M.2 (M) slots: 2
1st M.2 largest key size: 22110
1st M.2 highest PCI Express generation: 4.0
2nd M.2 largest key size: 2280
2nd M.2 highest PCI Express generation: 3.0

BIOS

BIOS type: UEFI AMI
BIOS memory size: 256 Mbit
ACPI version: 6.0
Clear CMOS jumper: Yes
System Management BIOS (SMBIOS) version: 2.8

Weight & dimensions

Width: 304 mm
Depth: 243.8 mm

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Compatible processors

AM4 socket

AMD Ryzen 5 56006 cores · 12 threads
AMD Ryzen 5 55006 cores · 12 threads
AMD Ryzen 5 5600G6 cores · 12 threads
AMD Ryzen 7 5700X8 cores · 16 threads
AMD Ryzen 5 5600X6 cores · 12 threads
AMD Ryzen 5 5500F6 cores · 12 threads
AMD Ryzen 5 5600F6 cores · 12 threads
AMD Ryzen 5 5600T6 cores · 12 threads

Compatible memory

DDR4

Kingston FURY Beast 8GB (1x8) DDR4-3200 CL168 GB (1x8) · DDR4
Kingston FURY Beast 16GB (2x8) DDR4-3200 CL1616 GB (2x8) · DDR4
VeloxStor 7004-DDR, 8 GB, 1 x 8 GB, DDR4, 3200 MT/s, 288-pin DIMM8 GB (1x8) · DDR4
VeloxStor 7005-DDR, 16 GB, 1 x 16 GB, DDR4, 3200 MT/s, 288-pin DIMM16 GB (1x16) · DDR4
VeloxStor 7006-DDR, 32 GB, 1 x 32 GB, DDR4, 3200 MT/s, 288-pin DIMM32 GB (1x32) · DDR4
VeloxStor 7007-DDR, 8 GB, 1 x 8 GB, DDR4, 3200 MT/s, 288-pin DIMM8 GB (1x8) · DDR4
VeloxStor 7008-DDR, 16 GB, 1 x 16 GB, DDR4, 3200 MT/s, 288-pin DIMM16 GB (1x16) · DDR4
Biwin BXH41632HW1-D16EW 16 GB DDR4 Memory16 GB (2x8) · DDR4

About this product

The B550 GAMING WIFI is crafted to offer extensive connectivity, versatile tools, and Wi-Fi solution for gamers seeking a comprehensive experience. Featuring an 1G LAN, Wi-Fi and PCIe 4.0 solution, it is ready for 24/7 non-stop gaming optimized for AMD Ryzen™ 5000 Series, 5000 G-Series, 4000 G-Series, and 3000 Series processors. Have trouble turning screws? MSI innovative EZ M.2 clip assist you install an M.2 SSD quickly and effortlessly. One Finger for EZ GPU Installation The enlarged PCI-E clip helps you swap or remove your devices easier. Keep the PCI-E slot stronger and safer. Clear CMOS Button Restore the BIOS to the default settings – helpful in 99% of the cases to successfully boot again. 10+2+1 Duet Rail POWER system Unleash and sustain maximum performance with a flagship VRM design built with a total of 10 + 2 + 1 digital power phases. With a 8-pin power connector, B550 GAMING WIFI is ready for the challenge of heavy-loading tasks.

OPTIMIZED PCB SOLUTION

The PCB design has been optimized for higher bandwidth and faster transfer speeds, which is also beneficial for reliable circuit transmission.

User manual (PDF) · Datasheet (PDF)

B550 GAMING WIFI vs similar motherboards

	MSI B550 GAMING WIFI	MSI PRO B550-S	MSI B550 GAMING	MSI PRO B550M-P
Chipset	B550	B550	B550	B550
Form factor	ATX	ATX	ATX	ATX
Memory slots	4	4	4	4
Max memory	128 GB	128 GB	128 GB	128 GB
Socket	AM4	AM4	AM4	AM4
Memory type	DDR4	DDR4	DDR4	DDR4
Released	2025	2026	2026	2026